Silent railway-crossing.



s. R. M. MALLUCH.

SILENT RAILWAY CROSSING. APPLICATION FILED AIAR- 9.1917.

' Patented Dec. 11, 1917.

2 SHEETS-SHEET I S. R. M. MALILOCH. I

- suuam RAILWAY cnossme,

Arrucmlbu IHLAED MAR. 9. i917.

. PatengedDec. 11,1917. 2 SHEETS-SHEET 2 Lzawsi.

was a fiILENT RAILVIAY-CROSSING.

Specification of Letters Patent. Patent ed Dec. 11%1'2'.

. Application filed March a 1917. Serial No. 153,648.

To all whom it may concern:

Be it known that I, SIDNEY RICHARDSON Monnrs MALLOCH, a citizen of theUnited States, residing at Philadelphia, in the county of Philadelphiaand State of Pennsylvania, have invented certain useful Improvements inSilent Railway-Crossings, of which the following is a specification,reference being had therein to the accompanying drawing,

The present invention has reference enerally to improvements in thatclass 0 inventions known as rails and rail joints and more particularlyrelates to a railway crossing especially, though not necessarily,adapted for street cars.

It is the principal 'aim and object of the present invention to providea crossing of such construction that when the rolling stock passesthereover, the action thereof will be silent, thus obviating jars,shocks and other noises usually incident to devices of this character.

It is an additional and equally important object of the presentinvention to provide a crossing insert cast in a single piece forengagement with the correspondingly formed portions of a track crossingconsisting of intersecting rails constructed so that the in sort may bereadily fitted thereovcr.

More particularly, the present invention includes the provision of novelmeans formed in the grooves in the rail head sections forming the insertfor preventing the tread portions oft-he wheels of the rolling stockfrom striking the edges of the tread surfaces of the rail head sectionsat the intersections thereof, said means being designed so as to beengaged by the flanges of the wheels for supporting such tread portionswithout raising the tread portions of the wheels, thus permitting of therollingstock to pass over the crossing without danger of jumping thetrack or causing any other damage and allowing the rolling stock to passover the crossing without so slacking of the speed thereof.

The invention as a further improvement resides in the provision of novelmeans for fastening the crossinginsert to the crossing of the maintrack.

Among the other aims and objects of this invention may be recited theprovision of a device of the character mentioned, with a view tocompactness, and in which the number of parts are few, the constructionsimple,

the cost of production low and the etiiciency hi h.

ther objects as well as the nature, characteristic features and scope ofthis invention will be more readily apparent from the followingdescription taken in. connection Fig. 1.

Fig. 3 is another section taken on line 3-3 of Fig. 1.

F igft is a it'ragmentary perspective of the invention.

Fig. 5 is an enlarged transverse section taken on line 5--5 of Fig. 1, aportion of the wheel of the rolling stock being-indicated.

F ig. 6 is an enlarged transverse section taken on line 6 of Fig. l, aportion of the wheel-of the rollmg stock being indicated.

Similar characters of reference are em: ployed in all of the abovedescribed views, to indicate corresponding parts.

Referring now, more particularly, to the accompanying drawings there isprovided a crossing of the tea in track consisting of pairs ofintersecting rails 1 and 2 having the head portions removed leaving onlythe webs as indicated by the numeral 3 and forming shoulders 4.

As intimated, a crossing insert has been from the respective ends of thehead sections and also depending from the under surface at pointssubstantially intermediate the ends thereof are other similarly formedspaced wings 11. The Wings 10 and 11 are straddled about the Webportions 3 of the main track crossing sothat the under surfaces of thehead sections rest upon the upper surfaces of the Web port-ions,engagement being effected by bolts 12 which extend transversely throughthe registering openings and have their freeeuds engaged by nuts 13 forclamping the parts in the position shown in Fig. 1. It will be notedthat the ends of the head sections are of such length that they abut theshoulders fl, this arrangement being illustrated in Fig. 2, consequentlyarranging the head sections 5 and 6 flush with the head or treadportions of the rails 1 and 2.

With a view toward obviating the noise usually occasioned when rollingstock passes over a crossing, ribs 14 are formed integral with thebottoms of the grooves and preferably have their upper surface archedand extend through-the portions of the head sections and also a distancebeyond these points. The respective terminals of the ribs beyond thepoints of intersection are gradually inclined downwardly so as to meetthe bottoms of the grooves. bviously the ribs are the width of thegrooves and in effect are substantially raised portions, having a heightequivalent to the usual space between the flange portions 16 of thewheels of the rolling stock and the bottom of the grooves 9,consequently preventing the tread portions 17 from engaging and knockingthe intersecting head sections which extend across the head sectionsupon which the rolling stock is traveling. In other words the relationof the parts is such that the tread portion will be supported by theflange portions when passing over a crossing and this is due to the factthat the depth from the tread portions on the rails to the upper surfaceof the inserts is simliar to the depth of the wheel flanges. Obviouslyin cases of wheels the inclined surfaces 15 of the ribs cause theflanges 16 to I gradually engage the ribs as the rolling stockapproaches the intersection of the head sections Without raising thetread portions 17, allowing the wheels to pass readily and noiselesslyover the intersecting head sections without danger of jumping. Becauseof this incline it will also be appreciated that the motorman is notinconvenienced by slacking the speed of the street car or othervehiclefor the same to pass over the cr0ssing at a relatively high rateof speed. It may be understood, however, that by providing the insert incombination with the crossing of the main track, an efficient and operable railway crossing is provided whereby practically all noise andjarring is obviated when rolling stock passes thereover.

In view of the foregoing remarks it is believed that a detaileddescription of the op eration is unnecessary. Likewise it is believedthat the advantages of the invention will be readily apparent.

It will be understood that the foregoing description and accompanyingdrawings comprehend only the general and preferred embodiment of thisinvention and that various minor changes in detail of construction,proportion and arrangement of the parts may be made within the scope ofthe appended claims and without sacrificing any of the advantages ofthis invention.

Having thus fully described the invention, what is claimed is:

1. In a railway crossing, in combination with a crossing of the maintrack consisting of intersecting rail sections having the head portionsremoved providing shoulders beyond the points of intersection, acrossing insert cast in a single piece and consisting of intersectingrail head sections, tread portions formed on their upper surfacesadjacent their outer sides, flanges ofl'set on the adjacent innersurfaces and providing grooves therebetween which also intersect eachother, means for removably yet rigidly connecting the head sectionsforming the insert to the main sections of the track so that the ends ofthe end sections abut the shoulders means formed integral with thebottom of the grooves and extending throughout the portions intermediatethe points of intersection of the head sections and also a distancebeyond these points thereby to support the flange portions of the wheelsof the rolling stock Without raising the tread portions of and lie flushwith the main track, and

the wheel as the rolling stock passes over the intersections.

2. In a railway crossing, in combination with a crossing of the maintrack consisting of intersecting rail sections having the head portionsremoved providing shoulders beyond the points of intersection, acrossing insert cast in a single piece and consisting of intersectingrail head sections, tread portions formed on their upper surfacesadjacent their outer sides, flanges offset 011 the adjacent innersurfaces and providing grooves therebetween which also intersect eachother, spaced parallel wings integral with and depending from the undersurfaces of the head sections for straddled engagement with the Webportions of the main rails left when the head portions are removed topermit of the head sections to rest on the web portions of the mainrails, means for re niovably yet rigidly securing the Wings and webportions of the main rails together so that the ends of the headsections abut the shoulders of the main railsections, and ribs formedintegral with the bottom of the grooves and extending throughout theportions of the head sections intermediate the points of intersectionthereof and also a distance beyond those points and having therespective terminals gradually inclined 10 downwardly .to meet thebottoms of the grooves.

In testimony whereof I aflix my signature.

SIDNEY RICHARDSON MORRIS MALLOCIL

